The reason you want root access is so you can become a “Superuser.” What does that mean? Nothing really, except your boot-loader is no longer locked, so you can do some things (including removing bloatware) and run some apps you wouldn't otherwise be able to.
One of my favorite root apps is
XPrivacy, it can prevent applications from leaking privacy sensitive data. XPrivacy can restrict the categories of data an application can access. This is done by feeding an application with no or fake data. There are several data categories which can be restricted, for example contacts or location. For example, if you restrict access to contacts for an application, this will result in sending an empty contact list to the application. Similarly, restricting an application's access to your location will result in a fake location being sent to the application.
See >
XPrivacy Installation Guide
If you would like to see a list of my favorite android apps, I just updated the post yesterday... >
Top 100 Android Apps, many of them are for rooted phones.
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